1/* SPDX-License-Identifier: GPL-2.0 */
 2/* 
 3 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
 4 * Copyright 2003 PathScale, Inc.
 5 * Derived from include/asm-i386/pgalloc.h and include/asm-i386/pgtable.h
 6 */
 7
 8#ifndef __UM_PGALLOC_H
 9#define __UM_PGALLOC_H
10
11#include <linux/mm.h>
12
13#include <asm-generic/pgalloc.h>
14
15#define pmd_populate_kernel(mm, pmd, pte) \
16	set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) __pa(pte)))
17
18#define pmd_populate(mm, pmd, pte) 				\
19	set_pmd(pmd, __pmd(_PAGE_TABLE +			\
20		((unsigned long long)page_to_pfn(pte) <<	\
21			(unsigned long long) PAGE_SHIFT)))
 
22
23/*
24 * Allocate and free page tables.
25 */
26extern pgd_t *pgd_alloc(struct mm_struct *);
27
28#define __pte_free_tlb(tlb, pte, address)			\
29do {								\
30	pagetable_pte_dtor(page_ptdesc(pte));			\
31	tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte)));	\
32} while (0)
33
34#ifdef CONFIG_3_LEVEL_PGTABLES
35
36#define __pmd_free_tlb(tlb, pmd, address)			\
37do {								\
38	pagetable_pmd_dtor(virt_to_ptdesc(pmd));			\
39	tlb_remove_page_ptdesc((tlb), virt_to_ptdesc(pmd));	\
40} while (0)
41
42#endif
43
44#endif
45

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/* 
 3 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
 4 * Copyright 2003 PathScale, Inc.
 5 * Derived from include/asm-i386/pgalloc.h and include/asm-i386/pgtable.h
 6 */
 7
 8#ifndef __UM_PGALLOC_H
 9#define __UM_PGALLOC_H
10
11#include <linux/mm.h>
12
13#include <asm-generic/pgalloc.h>
14
15#define pmd_populate_kernel(mm, pmd, pte) \
16	set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) __pa(pte)))
17
18#define pmd_populate(mm, pmd, pte) 				\
19	set_pmd(pmd, __pmd(_PAGE_TABLE +			\
20		((unsigned long long)page_to_pfn(pte) <<	\
21			(unsigned long long) PAGE_SHIFT)))
22#define pmd_pgtable(pmd) pmd_page(pmd)
23
24/*
25 * Allocate and free page tables.
26 */
27extern pgd_t *pgd_alloc(struct mm_struct *);
28
29#define __pte_free_tlb(tlb,pte, address)		\
30do {							\
31	pgtable_pte_page_dtor(pte);			\
32	tlb_remove_page((tlb),(pte));			\
33} while (0)
34
35#ifdef CONFIG_3_LEVEL_PGTABLES
36#define __pmd_free_tlb(tlb,x, address)   tlb_remove_page((tlb),virt_to_page(x))
 
 
 
 
 
 
37#endif
38
39#endif
40